One of the Rocket League Items shop's present included things is a vehicle that is being sold for 1,200 credits, which is in fact over $10, however you'll really need to purchase two packs of credits.
500 and 1,100, if your equilibrium is unfilled, costing you around $15. A portion of these things have been in the game for quite a long time—with players exchanging them for a couple of keys every, value a couple of bucks.